A: Ɗauki iska babu komai: idan famfo yana da gas da ruwa, famfo ba zai iya aiki ba, kwarara da matsa lamba suna da sifili. Cavitation: yana faruwa a cikin famfo yayin aiki, daga matsakaici a cikin famfo, yawo da matsa lamba da canje-canje da faɗuwa, yana haifar da girgiza hydraulic. Yawanci fitar da iska babu komai daga cikin famfo yana faruwa ne sakamakon wani abu a cikin famfo, saboda shigar da fasa bututun fasaha, shakar iskar iskar da aka yi ta hanyar fitar ya kasance da wuya, yawancin su na faruwa ne sakamakon canje-canjen aiki da tsarin da ke haifarwa. . Don kaucewa ko sarrafa abin da ya faru na cavitation, a cikin aikin famfo na gudana zuwa matsakaici, don rage girman matsa lamba kuma zafin jiki ba zai iya bayyana ya zama babban canji ba. A cikin layin tsotsa famfo ya kamata ya hana iskar gas daga zama, matsa lamba mara kyau na mashigan famfo na jiran aiki yakamata a rufe.
1) wasa mai ƙarfi: ainihin girman ramin ya fi girman girman famfo
2) daidaitattun daidaito: ainihin girman ramin ya fi girman girman ramin da aka kafa ta wasan;
3) Bambanci a bayyane: dacewa mai ƙarfi, axis na biyu; ainihin girman ramin ya fi girman girman ramin; Ramin zai iya yin motsi na dangi; a tsaye fit: axis da rami ba ya faruwa dangi motsi.
A: Tsaftace, mai tsabta, mai mai da lafiya
A: Labyrinth hatimi: akwai adadin da aka tsara a cikin tsari na hatimin hatimin hatimin zobe, hakora da kuma rotor don samar da jerin nau'i na raguwa da fadada sararin samaniya, ruwa ta hanyar juyawa da yawa na tashar, bayan maimaita maimaitawa da samarwa. babban juriya, Don haka ruwan yana da wuyar zubewa, don rufe manufar.
A: 1) Za a iya amfani da sassa don musayar juna, da kuma cimma ainihin sassa na alamomi, wanda ake kira musayar sassa.
2) ya taka rawa mai sauƙi don gyarawa, rage lokacin kulawa, haɓaka amfani da kayan aiki da rawar da ya dace.
A: Power famfo ya ci gaba da aika makamashi ya zama ruwa, yana sa saurin kuzarinsa ya karu da kuma karuwa, wanda akasari gudun yana karuwa, sa'an nan kuma saurinsa ya ragu, zai iya yin mafi yawan makamashin motsi zuwa matsa lamba, amfani ya kara yawan ruwa ya zama. isar da shi bayan matsin lamba ga sufuri, kamar: 1) famfon fanfo, ya ƙunshi a centrifugal famfo, cakuda kwarara famfo, axial kwarara famfo, vortex famfo, da sauransu; 2) jet famfo, ciki har da famfon jet gas, famfo jet ruwa, Da dai sauransu
A: Amsa: tabbatacce motsi famfo a cikin tsari na lokaci-lokaci canza famfo rami girma, domin aiki da kuma lokaci-lokaci canji na ƙaura canja wurin ikon da za a hawa ruwa, don haka matsa lamba tashi kai tsaye zuwa matsa lamba da ake bukata don cimma darajar bayan bayarwa, kamar: 1) famfo mai juyawa, famfo piston, famfo famfo, famfo diaphragm, extrusion, da sauransu; 2) na'ura mai juyi famfo, ciki har da gear famfo, dunƙule famfo, rotz famfo, Rotary piston famfo, slide famfo, crankshaft famfo, m na'ura mai juyi famfo, peristaltic famfo,da dai sauransu.
A: yafi hada da: kwarara, kai, NPSH, gudun, na'ura mai juyi iko da yadda ya dace da sauransu.
9.Me yasa kake buƙatar kullun diski na yau da kullum don kayan aiki na kayan aiki? Me ya kamata mu kula?
Amsa: 1) faifan faifai na yau da kullun don kayan aikin da ake buƙata, ɗaya shine bincika ko kayan aikin suna da sauƙi kuma ko akwai juriya na katin; Na biyu shine don hana nakasawa da sauransu, da gaske taka rawar jiran aiki. 2) ya kamata a biya hankali ga: daya shine cewa tsayawar matsayi na rotor bayan farantin yana da digiri 180 daga matsayi na asali; Kashi na biyu shi ne a sa mai mai mai na famfo ya zama mai, Bayan an juya mota, don hana lalacewa.
A: The rated halin yanzu ne motor a cikin rated irin ƙarfin lantarki, rated iko a yanayin saukan na al'ada aiki na halin yanzu, idan fiye da rated halin yanzu, da mota ne mai sauki overheat, gudun ba da sanda kariya na'urar mataki, sabõda haka, famfo parking, kamar na'urar kariya ta gudun ba da sanda ba aiki ba ne ko aiki Sauƙi don ƙone motar, lalacewa da famfo na tsakiya.
Amsa: 1) duba ko alamar ma'aunin matsa lamba ko ammeter yana cikin yankin da aka tsara kuma yana da ƙarfi; 2) duba ko sautin gudu yana al'ada kuma babu hayaniya; 3) ko yawan zafin jiki na ɗaukar nauyi da motar yana da al'ada (ba ta wuce digiri 60 ba); 4) duba ko ba a toshe ruwan sanyaya, famfon tattara kaya, yoyon hatimin inji, kamar ko ɗigon yana cikin kewayon da aka yarda; 5) duba ko wurin haɗin gwiwa yana da matsewa kuma ko kullin anga ya kwance; 6) duba ko man shafawa yana da kyau kuma matakin mai ya kasance na al'ada.
A) 1) Bincika ko tikitin sabis ɗin ya yi daidai da ainihin lambar kayan aiki na kayan aikin da za a gyara; 2) Tuntuɓi mai duba don gano katsewar wutar lantarki; 3) Samar da lalacewar kayan aiki da gyara takamaiman sassa ga ma'aikatan kulawa; 4) Kulawa da kulawa da ingancin kulawa; 5) bayan kammala aikin kulawa, tuntuɓi wutar lantarki, gwaji; 6) bayan aiki na yau da kullun, don saka idanu mai kulawa, da yin rikodin.
A) 1) bawul ɗin shigar da famfo shine kula da famfo lokacin da famfon ya keɓe ko yanke sassan tsarin, ba za a iya amfani da shi ba don daidaita kwararar ya kamata a buɗe gabaɗaya;
2) bawul ɗin fitarwa shine don daidaita magudanar ruwa kuma buɗe ko rufe fam ɗin lokacin da keɓancewar tsarin na sassan.
A: Dangane da yanayin tsari da matsa lamba na aiki, zaɓin saurin jujjuyawa matsakaicin yanayin lalata.
Amsa: 1) hatimin kushin ba karfe ba; 2) wadanda ba karfe da karfe hada gasket like; 3) hatimin matashin karfe.
A: 1) zubar da lalacewa ta hanyar zane; Ba a zaɓi murfin flange da murfi da kyau ba; Zaɓin gasket B bai dace ba; Ba a zaɓi kayan flange da ƙulli ba.
2) zubar da lalacewa ta hanyar masana'antu, shigarwa da aiki; A flange da gasket machining daidaito ba sa saduwa da fasaha bukatun; B ƙarfafa kusoshi, aiki mara kyau, haifar da karkatar da gasket; Fuskar hatimin C flange ba ta da tsabta ko kuma tana da ƙazanta.
Amsa: hatimin inji, wanda kuma ake kira fuska shine aƙalla fuska biyu na ƙarshen jujjuyawar axis, a ƙarƙashin aikin matsin ruwa da injin diyya, sanya ƙarshen biyu tare, da zamewar dangi da hana na'urar zubar ruwa.
Amsa: akwai nau'i biyu, hatimi mai ƙarfi da hatimi a tsaye.
A: 1) ƙarshen hatimi na zobe mai motsi da zobe na tsaye yana sawa sosai kuma ƙimar ɗaukar nauyi ba ta da ma'ana a cikin ƙira. ta yadda ƙarshen rufewa zai iya haifar da tsagewa, lalacewa da raguwa. 2) lahani a cikin zoben rufewa na taimako da yawa ko lahani saboda haɗuwa mara kyau, da zaɓi na hatimin taimako wanda bai dace da matsakaicin aiki ba. 3) spring pre-tightening karfi bai isa ba ko bayan dogon lokaci aiki, karaya, lalata, shakatawa, coking, kazalika da aiki matsakaici na crystallization dakatar barbashi ko dogon lokaci jari na cunkoso a cikin bazara yarda, sa spring gazawar, diyya hatimi zobe. ba zai iya yin iyo ba, zubar; 4) saboda karkatar da madaidaicin ƙarshen hatimi da axis na hatimin zobe a tsaye ya yi girma da yawa, ƙarshen rufewar fuskar ɗin ba ta da ƙarfi don haifar da zubewar; 5) saboda jagorancin axial na shaft yana da girma, sassan da ke hade da hatimi ba su dace da kyau ba ko kuma ingancin ba shi da kyau, wanda ke da haɗari ga yaduwa.
Amsa: bisa ga yanayin matsakaici, matsa lamba na aiki, zafin jiki, saurin zamiya da sauran abubuwan da za a zaɓa, wani lokacin kuma la'akari da ikon ɗan gajeren lokaci bushe gogayya lokacin farawa ko karya membrane.
Amsa: 1) rage sharewa, 2) ƙarfafa eddies, 3) ƙara yawan haƙoran haƙora, 4) ƙoƙarin canza kuzarin motsin iska zuwa makamashin zafi.
Amsa: hatimin zoben da ke iyo ya dogara ne akan tasirin ƙumburi da aka samar a cikin kunkuntar rata tsakanin axis da zoben iyo mai iyo, kuma ana allurar man da ke sama da matsin iskar gas a cikin sharewa don cimma manufar rufe gas.
Amsa: 1) amfani da dogon lokaci na zobe mai iyo, lalacewa na yau da kullun, haɓaka tazara; 2) rufin ramin ramin zobe mai iyo yana da m kuma daidaito yana da ƙasa. 3) haɗuwa mara kyau yana haifar da juzu'i, kuma abin da aka makala na tsakiya ya ɓace, don haka man fetur yana gudana daga wasu ramukan, wanda shine karuwa mai yawa;
Amsa: 1) Aikin toshe mai shi ne hana fitar da man da ke gudana tare da wuyan axial zuwa waje na wurin, kuma akwai nau'i biyu na shigarwa: daya yana kan tudu, ɗayan kuma yana kan axle. 2) Ana iya auna sharewar mai ta hanyar auna ma'aunin lokacin da aka tarwatsa ko hada man. A cikin fuskar tazarar mai tsakanin axle, ana iya samun kwanciyar hankali da kyau. A cikin fuskantar tazarar mai tsakanin tubalan masu ɗaukar nauyi, abin da ake buƙata yana da ƙarfi. Ƙananan sashi shine 0.05-0.10mm, kuma bangarorin biyu sune 0.10-0.20mm, kuma babba shine 0.20-0.25 mm.
A: 1) rata tsakanin izinin radial ya yi girma sosai, ko kuma rata tsakanin sabon zoben hatimin iska da aka maye gurbin ya yi kadan; 2) hatimi ko zoben hatimin gas, tsakanin hakora saboda lalacewa da lalacewa, ko saboda doguwar lalacewa bayan lalacewar zafi, wanda ke haifar da gazawar amfani; 3) bayan yin amfani da na dogon lokaci, da spring slacken, nakasawa, da sauri sealing zobe ba zai iya kai ga sanya matsayi, bayan aiki, hazo tara ƙura, datti, an sealing matsakaici matsa lamba ne m fiye da aiki matsakaici matsa lamba da kuma matsa lamba rashin zaman lafiya. da dai sauransu.
Amsa: hatimin kwano na fata, hatimin zobe, hatimin dunƙule, hatimin pneumatic, hatimin hatimin ruwa, hatimin centrifugal, hatimin shiryawa, hatimin labyrinth, hatimin inji, da sauransu.
Amsa: 1) hatimi kanta ingancin, 2) yanayin aiki yanayin, 3) taron shigarwa madaidaici, 4) rundunar daidaici, 5) sealing karin tsarin.
Amsa: hatimin inji ya ƙunshi zobe na tsaye, zobe mai motsi, injin buffer diyya, zoben hatimi na ƙarin da injin watsawa. Ƙarshen fuskar zoben a tsaye da zoben da ke motsawa yana daidai da axis ɗin famfo kuma ya dace tare don samar da farfajiya mai juyawa. A tsaye zobe da gland, duk za'ayi tare da karin hatimi zobe hatimi a kan shaft, don rama domin buffering inji drive zobe tare da axial motsi, zauna zobe da a tsaye zobe karshen fuska, da lalacewa na sealing zobe karshen fuska zuwa rama.
Amsa: 1) mai kyau sealing yi, yayyo na inji hatimi kullum 0.01 zuwa 5 ml / h, bisa ga na musamman bukatun, tare da musamman zane, yi na inji hatimin yayyo kawai 0.01 ml / h, har ma da karami, da kuma shiryawa hatimi. leakage ga 3-80 - ml / h (bisa ga dacewa tanadi na kasar mu, a lokacin da diamita na axle ba fiye da 50 mm yana nufin kwarara ne daidai da 3 ml / h, a lokacin da diamita na axle ne 50 mm nufin. ruwa ya kai 5 ml / h;
2) tsawon rayuwar shi, yawanci sama da 8000h;
3) ƙananan ƙarfin juzu'i, kawai 20% zuwa 30% na hatimin shiryawa;
4) babu wani motsi na dangi tsakanin shaft da shaft hannun riga da hatimi, kuma babu gogayya, kuma hannun axial da axial yana da tsawon rai;
5) madaidaicin hatimin hatimin injin yana daidai da madaidaicin famfo, kuma hatimin na iya haifar da ƙaura a kowane lokaci lokacin da bututun famfo ke girgiza. Sabili da haka, girgiza har yanzu yana iya kula da kyakkyawan aikin rufewa lokacin da yake cikin wani kewayon;
6) inji hatimi a kan rawar sealing ruwa matsa lamba da kuma spring karfi, ci gaba da a tsaye / tsauri zobe sealing surface, da kuma dogara da spring karfi zuwa rama lalacewa, don haka da zarar tura na dace, a cikin aiki na famfo a general. ba sa buƙatar canzawa sau da yawa, sauƙin amfani, ƙananan aikin kulawa;
7) ana iya amfani dashi a cikin babban zafin jiki, ƙananan zafin jiki, matsa lamba mai girma, babban sauri da kuma lalata mai karfi;
8) warware matsalar da maye gurbin sassa ba su dace ba kuma za'a iya gyara su kawai bayan filin ajiye motoci;
9) tsarin yana da rikitarwa, daidaiton taro ya fi girma, taro da shigarwa suna da wasu buƙatun fasaha;
10) farashin masana'anta mai girma.
Amsa: 1) diamita na gatari: famfo inji hatimi trunnion yankin gabaɗaya shi ne 6-200 - mm, na musamman ne 400 mm, da diamita na gatari famfo yawanci a cikin ƙarfin da ake bukata ta taso keya ko amfani da abin wuya modulation don bi da inji hatimi misali. diamita na axle;
2) gudun: gabaɗaya, saurin famfo iri ɗaya ne, saurin jujjuyawa na fam ɗin centrifugal gabaɗaya bai kai ko daidai da 3000r/min; Babban gudun centrifugal famfo ya kasa ko daidai da 8000r / min, kuma famfo na musamman ya kasa ko daidai da 4000r / min;
3) Matsakaicin saurin kewayawa na farfajiyar hatimi: saurin mizani na kewayawa na matsakaicin diamita na ƙarshen rufewar. Matsakaicin saurin mizani na murfin hatimin ya fi girma don dumama da lalacewa na saman rufewa (biyu na juzu'i). Gabaɗaya, kewayen hatimin fitarwa bai kai daidai da 30m / s ba; Matsakaicin saurin hatimin injunan ruwa a tsaye bai wuce mita 100 a sakan daya ba. Musamman na iya zama ƙasa da ko daidai da 150m/s;
4) matsa lamba na rabo na fuska: fuskar ƙarshen ita ce matsa lamba (MPa) a ƙarƙashin murfin rufewa. Ya kamata a sarrafa ƙarshen fuskar rufewa a cikin kewayon da ya dace, kuma aikin rufewa za a rage shi ta hanyar girman girman, kuma murfin rufewa zai yi zafi da sawa ta babban taron. Injin hatimin famfo shine madaidaicin ƙimar ƙimar rabo na ƙarshen: ginanniyar hatimin inji, gabaɗaya PC = 0.3-0.6mpa; Don lodi na waje, PC = 0.15-0.4mpa. Mafi kyawun lubricity lokacin da fuskantar takamaiman matsa lamba za a iya haɓaka daidai, babban danko na fim ɗin ruwa yana ƙaruwa takamaiman matsin lamba, avalible Pc = 0.5 -0.7 MPa ruwa mai ƙarancin ƙarfi, lubricity yakamata ya ɗauki ƙaramin ƙarshen fuska takamaiman matsa lamba, mai kyau akwai = 0.3-0.3 MPa.
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